# EasyChart TagPens dataset Script Structure

**URL:** <https://forum.inductiveautomation.com/t/easychart-tagpens-dataset-script-structure/91217>\
**Category:** Ignition\
**Tags:** ignition81\
**Created:** [May 31, 2024, 6:41pm UTC](https://forum.inductiveautomation.com/t/easychart-tagpens-dataset-script-structure/91217 "2024-05-31T18:41:00Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![lrose](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/lrose/32/62724_2.png) [@lrose](https://forum.inductiveautomation.com/u/lrose)\
**Post date:** [May 31, 2024, 7:15pm UTC](https://forum.inductiveautomation.com/t/easychart-tagpens-dataset-script-structure/91217/2 "2024-05-31T19:15:43Z")

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> [@Ahmed\_Bichmou](#):
>
> I am not sure what datatype the dataset is.

To be specific, it is of type `com.inductiveautomation.ignition.common.BasicDataset`.

I'm not sure how that information is useful to you.

This thread, on the other hand may be:

> [@Ad-hoc trending - drop on button press?](https://forum.inductiveautomation.com/t/ad-hoc-trending-drop-on-button-press/15088/4):
>
> I think I've got a solution. I needed a way to mimic dragging and dropping on a touch screen that was incapable of doing so. So instead of over-complicating it, I just used a button to put the selected item in the tag browse tree into the easy chart. It uses Ignition's addPen custom method from their demo project but I adjusted it slightly to work for us. So, you will need three components on screen - Tag Browse Tree, Easy Chart and a Button. Your Tag Browse Tree will need an added custom pro…

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